6LYSHOLM J, GILLQUIST J. Evaluation of knee ligament surgery results with special, emphasis on use of a scoring scale[J]. Am J Sports Med, 1982, 10(3): 150-154.
7RYZEWICZ M, PETERSON B, SIPARSKY PN, et al. The diagnosis of meniscus tears: the role of MRI and clinical examination [J]. Clin Orthop, 2007, 455: 123-133.
8WU CC, SHIH CH. The influence of iliotibial tract on patellar tracking[J]. Orthopedics, 2004, 27(2): 199-203.
9KISSENBERTH M J, WILCKENS JH. The snapping biceps femoris tendon[J]. Am J Knee Surg, 2000, 13(1): 25-28.
10BAE DK, KWON OS. Snapping knee caused by the gracilis and semitendinosus tendon: A case report[J]. Bull Hosp Jt Dis, 1997, 56(3): 177-179.